I'm not an animator but a couple of things occurred to me about memory and speed when it comes to rendering. First, I can't imagine how greyscale rendering would speed anything up. Poser doesn't care about the colour. Whether they're greyscale or full living colour, it still has to calculate the RGB values for each pixel. Sure, the monochrome textures take up less RAM and HD space but at rendering time there should be no gain. I then got to thinking about alternatives to textures. How about faking it with P5 materials? If you're not doing any extreme closeups, you should be able to cook up an acceptable skin by playing with shaders. Noise for bumps, or at least to get rid of the "plastic" look, then add other bits and pieces until you have something approaching skin. Disclaimer: I have absolutely no idea if this will speed up renders but I'd like to bet it would save a fair chunk of RAM.

Coppula eam se non posit acceptera jocularum.

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